package com.xxxx.server.config.swagger2;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.awt.*;
import java.util.ArrayList;
import java.util.List;

/**
 * swagger2配置类
 *
 * @Author: QiuXuechen
 * @Date: 2021/8/17 17:14
 */
@Configuration
@EnableSwagger2
public class Swagger2Config {
    @Bean
    public Docket createRestApi() {

        return new Docket(DocumentationType.SWAGGER_2)
                //指定Api类型为Swagger2
                .apiInfo(apiInfo())
                //指定文档汇总信息
                .select()
                .apis(RequestHandlerSelectors
                        //指定controller包路径
                        .basePackage("com.xxxx.server.controller"))
                //指定展示所有controller
                .paths(PathSelectors.any())
                .build()
                .securityContexts(securityContexts())
                .securitySchemes(securitySchemes());
    }

    private ApiInfo apiInfo() {
        //返回一个apiinfo
        return new ApiInfoBuilder()
                .title("云E办接口文档")
                .description("api文档")
                .contact(
                        new Contact(
                                "QiuXuechen",
                                "http:localhost:8081/doc.html",
                                "724207691@qq.com")
                )
                .version("1.0.0")
                .build();
    }

    private List<ApiKey> securitySchemes() {
        //设置请求头信息
        List<ApiKey> resulet = new ArrayList<>();
        ApiKey apiKey = new ApiKey("Authorization", "Authorization", "Header");
        resulet.add(apiKey);
        return resulet;
    }
    private List<SecurityContext> securityContexts(){
        //设置需要登陆认证的路径
        List<SecurityContext> result = new ArrayList<>();
        result.add(getContextByPath("/hello/.*"));
        return result;
    }

    private SecurityContext getContextByPath(String pathRegex) {
        return SecurityContext.builder()
                .securityReferences(defaultAuth())
                .forPaths(PathSelectors.regex(pathRegex))
                .build();
    }

    private List<SecurityReference> defaultAuth() {
        List<SecurityReference> result = new ArrayList<>();
        AuthorizationScope authorizationScope = new AuthorizationScope("global","accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        result.add(new SecurityReference("Authorization",authorizationScopes));
        return result;
    }

}
